diff options
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index c4ada8b6295..f01def16a66 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -456,7 +456,8 @@ int drm_ioctl(struct inode *inode, struct file *filp, retcode = -EINVAL; } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !file_priv->is_master)) { + ((ioctl->flags & DRM_MASTER) && !file_priv->is_master) || + (!(ioctl->flags & DRM_CONTROL_ALLOW) && (file_priv->minor->type == DRM_MINOR_CONTROL))) { retcode = -EACCES; } else { if (cmd & (IOC_IN | IOC_OUT)) { |